diff options
Diffstat (limited to 'qemu/roms/u-boot/doc/README.bedbug')
| -rw-r--r-- | qemu/roms/u-boot/doc/README.bedbug | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/qemu/roms/u-boot/doc/README.bedbug b/qemu/roms/u-boot/doc/README.bedbug deleted file mode 100644 index 35e9d2706..000000000 --- a/qemu/roms/u-boot/doc/README.bedbug +++ /dev/null @@ -1,78 +0,0 @@ -BEDBUG Support for U-Boot --------------------------- - -These changes implement the bedbug (emBEDded deBUGger) debugger in U-Boot. -A specific implementation is made for the AMCC 405 processor but other flavors -can be easily implemented. - -##################### -### Modifications ### -##################### - -./common/Makefile - Included cmd_bedbug.c and bedbug.c in the Makefile. - -./common/command.c - Added bedbug commands to command table. - -./common/board.c - Added call to initialize debugger on startup. - -./arch/powerpc/cpu/ppc4xx/Makefile - Added bedbug_405.c to the Makefile. - -./arch/powerpc/cpu/ppc4xx/start.S - Added code to handle the debug exception (0x2000) on the 405. - Also added code to handle critical exceptions since the debug - is treated as critical on the 405. - -./arch/powerpc/cpu/ppc4xx/traps.c - Added more detailed output for the program exception to tell - if it is an illegal instruction, privileged instruction or - a trap. Also added debug trap handler. - -./include/ppc_asm.tmpl - Added code to handle critical exceptions - -################# -### New Stuff ### -################# - -./include/bedbug/ppc.h -./include/bedbug/regs.h -./include/bedbug/bedbug.h -./include/bedbug/elf.h [obsoleted by new include/elf.h] -./include/bedbug/tables.h -./include/cmd_bedbug.h -./common/cmd_bedbug.c -./common/bedbug.c - Bedbug library includes code for assembling and disassembling - PowerPC instructions to/from memory as well as handling - hardware breakpoints and stepping through code. These - routines are common to all PowerPC processors. - -./arch/powerpc/cpu/ppc4xx/bedbug_405.c - AMCC PPC405 specific debugger routines. - - -Bedbug support for the MPC860 ------------------------------ - -Changes: - - common/cmd_bedbug.c - Added call to initialize 860 debugger. - - arch/powerpc/cpu/mpc8xx/Makefile - Added new file "bedbug_860.c" to the makefile - - arch/powerpc/cpu/mpc8xx/start.S - Added handler for InstructionBreakpoint (0xfd00) - - arch/powerpc/cpu/mpc8xx/traps.c - Added new routine DebugException() - -New Files: - - arch/powerpc/cpu/mpc8xx/bedbug_860.c - CPU-specific routines for 860 debug registers. |